What is the life shelf of the unopened Cyalume snaplight?

You all are going to think I'm making up stories, but I found a group of the Cyalume SnapLight sticks that was with some dry first aid materials that goes back to before Y2K. Perfect experiment, I thought. The green ones still glowed very brightly and although not bright were still visible 12 hours later. These things are really amazing.

Depends on your use... for brightness, without a doubt green. 2 reasons to get technical, first the chemical make up allows that color to glow brightest, and second is that the human eye sees this color better than any other light wavelength. If you're looking for "flares" though and need red, your best bet would be a strobe light. The red snap lights are good for low-light needs (hence using red lens flashlights in the military to read maps as the human eye doesn't pick this light up at low levels), but nowhere near what you would need for safety. Blues and whites are in the middle but don't nearly as long -better off with a LED flashlight. Go green...

Can they be stored in freezing temps in a car? Gets Brutal in NY in the winter

they can be stored in the car and they will not freeze

Will these give enough light to read if you need to find emergency phone numbers in phone book?

I was in a pitch black room door closed and no windows when I tried it out and I was able to find my locker and see the combination numbers on my lock. I thought it was pretty good. I'm sure you'd be able to see some emergency numbers in your phone book with this product. Hope this helped.

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Red Military Grade Light

Product ID: 2324125

Details

Brand
Cyalume
Color
Red
Indoor/Outdoor Usage
Outdoor
Item Weight
0.23 kg
Material
plastic
Number of Items
10

⏳12-hour ultra-long glow

💧waterproof & safe chemistry

💪industrial-grade durability

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Description

🔥 Light up your mission with industrial strength brilliance!

SAFE FOR EVERY SCENARIO - Waterproof, non-toxic, and non-flammable—perfect for confined spaces and underwater use.
COMPACT CONVENIENT 10 PACK - Individually foil-wrapped sticks ready to deploy anywhere, anytime—never be left in the dark.
BUILT TO ENDURE ANY CHALLENGE - Industrial-grade construction means these sticks survive tough jobs and harsh environments.
UNMATCHED 12 HOUR ILLUMINATION - Stay brilliantly visible from dusk till dawn with a glow that lasts all shift long.
INSTANT ACTIVATION INSTANT GLOW - Just bend, snap, and shake for immediate, 360-degree radiant red light.

Cyalume SnapLight Red Light Sticks deliver ultra-bright, 360-degree illumination visible up to a mile away, lasting up to 12 hours. Engineered with patented, industrial-grade, waterproof, non-toxic, and non-flammable materials, these 6-inch sticks are designed for durability and safety in any environment. Each pack includes 10 individually foil-wrapped sticks, perfect for emergency, outdoor, or professional use.

Specifications

ASIN	B004NBZLJM
Additional Features	Long Burning, Non Toxic
Best Sellers Rank	#7,541 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #17 in Emergency Glow Sticks
Brand	Cyalume
Brand Name	Cyalume
Candle Type	Taper Candle
Color	Red
Container Material	Metal
Container Type	Can
Customer Reviews	4.6 out of 5 stars 2,137 Reviews
Global Trade Identification Number	00852845001120
Included Components	Cyalume SnapLight Light Stick
Indoor Outdoor Usage	Outdoor
Item Dimensions W x H	1"W x 6"H
Item Type Name	Glow Stick
Item Weight	0.23 kg
Manufacturer	Cyalume Technologies, Inc.
Manufacturer Part Number	9-08002
Manufacturer Warranty Description	Manufacturer's warranty.
Material Features	Durable and safe material
Material Type	plastic, polyethylene
Model Name	9-08002B
Model Number	9-08002
Number of Items	10
Occasion	Emergency
Package Size Name	10 Pack
Product Dimensions	1"W x 6"H
Product Style	Modern
Scent	Unscented
Scent Name	Unscented
Seasons	All Season
Shape	Duration: 12 Hour
Size	10 Pack
Specific Uses For Product	Emergency
Theme	Safety
UPC	852845001120
Unit Count	10 Count
Wick Quantity	1

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S$62

Duties & taxes included

In stock

Sold byAmazon SINGAPOREDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to SINGAPORE.

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TrustScore 4.5 | 7,300+ reviews

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